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How to shape noise spectra for continuous system simulation

Klöckner, Andreas and Knoblach, Andreas and Heckmann, Andreas (2017) How to shape noise spectra for continuous system simulation. Mathematical and Computer Modelling of Dynamical Systems, 23 (3), pp. 284-300. Taylor & Francis. DOI: 10.1080/13873954.2017.1298622 ISSN 1387-3954

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Official URL: http://www.tandfonline.com/10.1080/13873954.2017.1298622

Abstract

Noise for continuous-time system simulation is relevant for many applications, whenever time domain results are required. Simulating such noise raises the need to consistently shape the frequency content of the signal. However, the methods for this task are not obvious and form filters are often used as approximate state space implementations. In this article, we address the problem with a new method which relies on directly using the specified power spectral density for a convolution filter. For the example of railway track irregularities, we explain how to derive the required filters, implement them in the open-source AdvancedNoise library, and verify the results. The new method produces correct results, is very simple to use, and enables new features for time simulation of physical systems.

Item URL in elib:https://elib.dlr.de/113252/
Document Type:Article
Title:How to shape noise spectra for continuous system simulation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Klöckner, Andreasandreas.kloeckner (at) dlr.deUNSPECIFIED
Knoblach, Andreasandreas.knoblach (at) dlr.deUNSPECIFIED
Heckmann, Andreasandreas.heckmann (at) dlr.deUNSPECIFIED
Date:2017
Journal or Publication Title:Mathematical and Computer Modelling of Dynamical Systems
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:23
DOI :10.1080/13873954.2017.1298622
Page Range:pp. 284-300
Publisher:Taylor & Francis
ISSN:1387-3954
Status:Published
Keywords:Noise; power spectral density; track irregularity
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems and Cabin, V - Next Generation Train III (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control > Aircraft System Dynamics
Institute of System Dynamics and Control > Vehicle System Dynamics
Deposited By: Klöckner, Andreas
Deposited On:21 Jul 2017 14:56
Last Modified:23 Feb 2019 00:21

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